B01F 23/231122
The flow guiding elements being dome-shaped elements, i.e. for trapping air
Official title: {the flow guiding elements being dome-shaped elements, i.e. for trapping air, e.g. cap-, umbrella- or inversed cone-shaped}
B01F23/231122 (The flow guiding elements being dome-shaped elements, i.e. for trapping air) appears on 19 US grants and 8 published applications in this corpus.
Search patents in B01F- Granted patents
- 19
- Published applications
- 8
- Assignees
- 6
- Inventors
- 24
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
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| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
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| 1984 | 1 | 0 |
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| 1989 | 1 | 0 |
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| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Aeration unit, aeration apparatus equipped therewith and method of aeration23 Oct 2012US 8,292,271 B2
- Large bubble mixer and method of using same in a wastewater treatment system25 Aug 2022US 2022/0266208 A1Environmental Dynamics International, Inc.
- Air bubble generation device14 Jan 2021US 2021/0008502 A1Meidensha Corporation
- Combined coarse and fine bubble diffuser19 Nov 2020US 2020/0360873 A1Environmental Dynamics International, Inc.
- Apparatus for lifting liquid in a body of liquid25 Jan 2018US 2018/0022627 A1
- Aeration unit, aeration apparatus equipped therewith and method of aeration25 Feb 2010US 2010/0044322 A1
Most cited
By later US patents
- Zero waste effluent desalination system66US 5,520,816 A1996
- Zero waste effluent water desalination system64US 6,103,125 A2000
- Apparatus for sparging gas into liquid46US 4,066,722 AUnion Carbide Corporation · 1978
- Submarine-type liquid mixer32US 6,036,357 A2000
- Diffuser apparatus29US 4,869,852 AMooers Products, Inc. · 1989